<template>
  <view class="login-container">
    <uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
    <button type="primary" class="btn-login" open-type="getUserInfo" @click="getUserProfile">一键登录</button>
    <text class="tips-text">登陆后尽享更多权益</text>
  </view>
</template>

<script>
  import {
    mapMutations,
    mapState
  } from 'vuex'
  export default {
    name: "my-login",
    data() {
      return {

      };
    },
    methods: {
      ...mapMutations('m_user', ['updateUserInfo','updateToken','updateRedirectInfo']),
      getUserProfile() {
        uni.getUserProfile({
          desc: '123',
          success: (res) => {
            this.updateUserInfo(res.userInfo)
            this.getToken(res)
          },
          fail(res) {
            return uni.$showMsg('您取消了登录权限')
          },
        })
      },
      async getToken(info) {
        //获取code对应的值
        const [err, res] = await uni.login().catch(err => err)
        if (err || res.errMsg !== 'login:ok') return uni.$showMsg('登录失败')
        // 准备参数对象
        const query = {
          code: res.code,
          encryptedData: info.encryptedData,
          iv: info.iv,
          rawData: info.rawData,
          signature: info.signature
        }
        const {data:loginResult} = await uni.$http.post('/api/public/v1/users/wxlogin',query)
        // if(loginResult.meta.status !== 200) return uni.$showMsg('登录失败')
        uni.$showMsg('登录成功')
        //把token保存在vuex中
        this.updateToken('BearereyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo')
        this.navigateBack()
      },
      navigateBack(){
        if(this.redirectInfo && this.redirectInfo.openType==='switchTab'){
          uni.switchTab({
            url:this.redirectInfo.from,
            complete:()=>{
                this.updateRedirectInfo(null)
            }
          })
        }
      }
    },
    computed:{
      ...mapState('m_user',['redirectInfo']),
    }
  }
</script>

<style lang="scss">
	.login-container {
		// 登录盒子的样式
		height: 750rpx;
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
		background-color: #f8f8f8;
		position: relative;
		overflow: hidden;

		// 绘制登录盒子底部的半椭圆造型
		&::after {
			content: ' ';
			display: block;
			position: absolute;
			width: 100%;
			height: 40px;
			left: 0;
			bottom: 0;
			background-color: white;
			border-radius: 100%;
			transform: translateY(50%);
		}

		// 登录按钮的样式
		.btn-login {
			width: 90%;
			border-radius: 100px;
			margin: 15px 0;
			background-color: #c00000;
		}

		// 按钮下方提示消息的样式
		.tips-text {
			font-size: 12px;
			color: gray;
		}
	}
</style>
